Breadcrumb Home Search Showing results for Language Content type Photo (20) Article (12) Slideshow (3) Article Type Personal Perspectives (7) Article (3) Topics (-) Extinctions (35) Ancient Seas (27) Marine Mammals (14) At The Museum (11) Evolution (4) Sharks & Rays (4) Extinctions (2) Invertebrates (2) Plants & Algae (2) Careers (1) Climate Change (1) Exploration (1) History & Cultures (1) Technology (1) Temperature & Chemistry (1) The Seafloor (1) Tags Paleobiology (20) Smithsonian scientists (17) Fossils (15) Whales (15) Ancient sea life (11) National Museum of Natural History (9) Scientists at work (8) Smithsonian collections (6) Adaptations (4) Geology (4) New discoveries (4) Behind-the-scenes (3) Geologic periods (3) News (3) Smithsonian Tropical Research Institute (3) Algae (2) Scientific illustrations (2) Technology (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Article Smithsonian Scientists Describe a 'New' Fossil Whale March 2012 Read the Full Article Slideshow A Squalodontid Success June 2011 See the Full Slideshow Article Whale fossils on the mainland, and into a CT scanner May 2012 Read the Full Article Photo Dislodging the Fossil June 2011 View Image Photo Digging a Trench June 2011 View Image Slideshow Shark Ancestors December 2009 See the Full Slideshow Article Expedition to Excavate a Fossil Whale June 2011 Read the Full Article Article Shark Teeth Tell Great White Shark Evolution Story November 2012 Read the Full Article Photo Haplophrentis carinatus August 2013 View Image Article Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows August 2016 Read the Full Article Photo Squalicorax Shark Fossil August 2014 View Image Photo Fossil Jellyfish November 2015 View Image Pagination Previous page Page 1 Current page 2 Page 3 Next page